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"Obama Pitches Big Anti-Smog Effort in Environmental Push"

President Obama's declared initiatives on environment and climate are going forth in an intense swirl of conflict in electoral and legislative politics. Money is involved.

"President Barack Obama pitched the first major environmental effort of his second term on Friday in a bid to slash smog-forming emissions from gasoline that have been linked to lung and heart ailments, setting up a fight with Republicans and the oil industry.

The Environmental Protection Agency (EPA) proposed the so-called Tier 3 rules that would require refiners to cut the sulfur content of gasoline to 10 parts per million (ppm) by 2017 from the current standard of 30 ppm.